Home / 2,206.90-3,312.78-1,747.63

Finding the Fourth Proportional to 2,206.90, 3,312.78 and 1,747.63

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Solution

The fourth proportional to 2,206.90, 3,312.78 and 1,747.63 is: 2,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.90 : 3,312.78 = 1,747.63 : x
  2. Step 2: Convert to fraction form
    2,206.90/3,312.78 = 1,747.63/x
  3. Step 3: Cross multiply
    2,206.90x = 3,312.78 × 1,747.63
  4. Step 4: Simplify right side
    2,206.90x = 5,789,513.71
  5. Step 5: Solve for x
    x = 5,789,513.71/2,206.90
  6. Step 6: Final answer
    x = 2,623.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.